Finding the Fourth Proportional to 1,398,394.08, 1,929,841.44 and 786,575.40
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Solution
The fourth proportional to 1,398,394.08, 1,929,841.44 and 786,575.40 is: 1,085,506.46
Step by Step Solution
- Step 1: Write the proportion equation
1,398,394.08 : 1,929,841.44 = 786,575.40 : x - Step 2: Convert to fraction form
1,398,394.08/1,929,841.44 = 786,575.40/x - Step 3: Cross multiply
1,398,394.08x = 1,929,841.44 × 786,575.40 - Step 4: Simplify right side
1,398,394.08x = 1,517,965,802,604.58 - Step 5: Solve for x
x = 1,517,965,802,604.58/1,398,394.08 - Step 6: Final answer
x = 1,085,506.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.